Mestic 7465 Inverter Display User Manual

Inverter display
User instructions
SMART ADVENTURE INVERTER DISPLAY

Important safety instructions

1. Before installation or use, read this manual carefully.
2. Keep the instructions for future reference.
3. Upon receiving the inverter, check for any damage caused by transportation. Contact our local distributor, or our company for assistance.
4. Keep the product away from rain, dust, vibration, corrosion, and electromagnetic interference.
5. Avoid water and other liquids from entering the product.
6. There are no user-serviceable parts inside the product. Do not disassemble or attempt to repair it.
7. Avoid installing it in areas with direct sunlight, humidity, salt spray, corrosion, grease, flammable materials, explosive substances, or dust.
8. Keep the product out of reach of children.

Features

1. LCD display
2. Up/setting button
3. Fault indicator (red)
4. Screw hole
5. Down/OK button/Load switch*
6. Power indicator (blue)

*In the real-time interface, long-press for 2 seconds to turn off the load (default on); longpress it again for 2 seconds to turn on the load.

1. Remote terminal
2. Buzzer
3. Inverter terminal

Inverter and remote terminal:

Connection

Connect the MT91 with an inverter:
Connect the MT91’s “inverter terminal” and the inverter’s RJ45 port using the RS485 communication cable (included accessory, model: CC-RJ45-3.81-100U). The cable length can be customized according to customers’ requirements.
Connect the MT91 with an auxiliary module:
Connect the “remote terminal” of the MT91 to auxiliary modules such as the Bluetooth module, wireless module, or BMS using an adapter cable.

Installation

1. Installation by mounting on a surface is recommended.
2. Find a suitable location, based on the installation size (91mm) and drill two screw holes (no smaller than 77x52mm).
3. Use two PWM3*10 screws to fix the remote meter.

Buttons

the device is powered on), press for 2 secs. to enter the setting interface.
• In the setting interface, press for 2 secs. to enter the specific parameter configuration interface.
| Press| Move down/decrease parameter
Press for 2 secs.| • In the real-time interface, press for 2 secs. to turn the load output on/off (on by default, press for 2 secs. to turn the load output off).
• In the setting interface, press for 2 secs. to confirm the parameter configuration.
| Press| In the setting interface, press to exit the parameter configuration interface.
Press for 2 secs.| In the real-time interface, press for 2 secs. to clear faults.

Note: A long ‘beep’ will be heard when confirming parameters and a short ‘beep’ will be heard with other operations.
Real-time interface
In the real-time interface (namely, the default interface after the device is powered on), please press to display the below parameters in a cycle.

1. Battery voltage
2. Load voltage
3. Load current
4. Load frequency
5. Load power

Note: means the load on, means the load is off.

Setting interface

Parameter configuration:

1. In the real-time interface, press for 2 secs. to enter the parameter setting interface.
2. Press to select the parameter to be configured.
3. Press for 2 secs. to enter the configuration interface of the specified parameter. The parameter value will be flashing.
4. Press to configure the parameter value.
5. Press for 2 secs. to confirm the configuration.
6. Press to exit the current interface.

Power saving mode:

1. Users can activate the power-saving mode and set the PSI/PSO value. (The minimum power level is 1VA.)
2. When the actual load power is lower than the PSI (the power to enter the power-saving mode), the system will automatically switch to the power-saving mode. In this mode, the device output is turned on for 1s and then turned off for 5s.
3. If the actual load power exceeds the PSO (the power to exit the power-saving mode), the inverter will automatically exit the power-saving mode and resume normal operation.

Enable power saving mode (PSE):

1. In the real-time interface (the default interface after the device is powered on) of the remote meter, press and hold the button to enter the parameters setting interface.
2. Press the button to select the PSE parameter.
3. Press and hold the button until the PSE parameter (OFF default) flashes.
4. Press the button to set the PSE state.
5. Select ON to enable the power saving mode.
6. Select OFF to disable the power saving mode.
7. Press and hold the   button to confirm.

Set the power to exit the power saving mode (PSO):

1. In the parameters setting interface, press the button to select the PSO parameter.
2. Press and hold the   button until the PSO value flashes.
3. Press the button to set the PSO parameter.
4. Press the button to decrease the PSO value by 1.
5. Press the   button to increase the PSO value by 1.
6. Press and hold the   button to increase the PSO value by 10. After adding ten times, the PSO value will increase by 100 each time. When the button is released, press and hold it again to repeat the above steps. Note: The setting parameter cannot exceed the user-defined limit (see table below), or else it will return to the initial value to start the loop.
7. Press and hold the button to confirm.

Set the power to enter the power saving mode (PSI):

1. In the parameters setting interface, press the button to select the PSI parameter.
2. Press and hold the button until the PSI value flashes.
3. Press the button to set the PSI parameter.
4. Press the button to decrease the PSI value by 1.
5. Press the button to increase the PSI value by 1.
6. Press and hold the button to increase the PSI value by 10. After adding ten times, the PSI value will increase by 100 each time. When the button is released, press and hold it again to repeat the above operation. Note: The setting parameter cannot exceed the user-defined limit (see table below), or else it will return to the initial value to start the loop.
7. Press and hold the button to confirm.

Other parameters:

1. In the real-time interface, press for 2s to enter the parameter setting interface.
2. Click to select the parameter to be configured.
3. Press   for 2s to enter the configuration interface of the specified parameter.
4. Click to configure the parameter value.
5. Press   for 2s to confirm the configuration.
6. Click to exit the current interface.

User-defined parameters:

24V: 21.6V
48V: 43.2V| 12V: 10.5V~14.2V; step size 0.1V
24V: 21V-30.2V; step size 0.1V
48V: 42V-62.4V; step size 0.1V
| Low voltage reconnect voltage 3)| 12V: 12.5V
24V: 25V
48V: 50V| 12V: 11.5V~15.2V; step size 0.1V
24V: 22V-31.2V; step size 0.1V
48V: 43V-63.4V; step size 0.1V
| Over voltage reconnect voltage 3)| 12V: 14.5V
24V: 29V
48V: 58V| 12V: 11.5V~15.2V; step size 0.1V
24V: 22V-31.2V; step size 0.1V
48V: 43V-63.4V; step size 0.1V
| Over voltage disconnect  voltage 3)| 12V: 16V
24V: 32V
48V: 64V| 12V: 12.5V~16.2V; step size 0.1V
24V: 23V-32.2V; step size 0.1V
48V: 44V-64.4V; step size 0.1V

1. After configuring the parameters marked with 1) , the inverter will restart automatically. It will resume work according to the new parameter values.
2. Can be used to set the length limit of the displayed data on the screen. When the baud rate is set to 115200, the value displayed on the LCD is 1152.
3. For the parameters marked with 3) : please set them following the input voltage rules in the chapter “Protection”. Otherwise, the parameter settings will not succeed.

Protection

Input voltage protection:
1. The following rules must be followed when modifying the battery’s input voltage parameters:

• Over-voltage limiting voltage (16.2/32.2/64.4V) ≥ Over-voltage disconnect voltage ≥ Over-voltage reconnect voltage +1V.
• Over-voltage reconnect voltage ≥ Low-voltage reconnect voltage.
• Low-voltage reconnect voltage ≥ Low-voltage disconnect voltage +1V.
• Low-voltage disconnect voltage ≥ Low-voltage limiting voltage (10.5/21/42V).

2. The detailed status is shown as follows when the input voltage protection occurs:

The blue indicator flashes fast.
The buzzer beeps.
The LCD display shows
Over voltage recovery protection| The blue indicator is ON without flashing.
The output voltage is normal.
Low voltage protection| The output is switched OFF immediately.
The blue indicator flashes slowly.
The buzzer beeps.
The LCD display shows
Low voltage recovery protection| The blue indicator is ON without flashing.
The output voltage is normal.

3. Note: While the inverter is equipped with input over-voltage protection, the surge voltage must not exceed 20V for a 12V system, 40V for a 24V system, or 80V for a 48V system. Otherwise, the inverter may be damaged.

Error codes

Error code| Faults| Buzzer| Power indicator| Fault indicator
---|---|---|---|---
| •Inverter over temperature
•Heat sink over temperature| 5 beeps| Off| On
| Input over voltage| 5 beeps| Flashing fast (1Hz)| Off
| Input under voltage| 5 beeps
Flashing| slowly (1/4 Hz)| Off
| Output short circuit| 5 beeps| Off| Flashing fast (1Hz)
| Output overload| 5 beeps| On| Flashing slowly (1/4 Hz)
| Output abnormal voltage| 5 beeps| Off| Off

Recycling

This product bears the selective sorting symbol for waste electrical and electronic equipment This means that this product must be handled pursuant to European Directive (2012/19/EU) in order to be recycled or dismantled to minimize its impact on the environment. For further information, please contact your local or regional authorities. Electronic products not included in the selective sorting process are potentially dangerous for the environment and human heath due to the presence of hazardous substances.

Importer:
Gimeg Nederland B.V.
Atoomweg 99, 3542 AA Utrecht
The Netherlands

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